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authorIngo Molnar <mingo@kernel.org>2013-07-01 11:16:54 +0200
committerIngo Molnar <mingo@kernel.org>2013-07-01 11:18:53 +0200
commit2fd1b487884310d0aa0c0640179dc7490ad86313 (patch)
tree1083dce15bd7dc0858c3883b8a361242046c5e09 /drivers/usb/phy/Kconfig
parent333bb864f192015a53b5060b829089decd0220ef (diff)
parent8bb495e3f02401ee6f76d1b1d77f3ac9f079e376 (diff)
Merge tag 'v3.10' into sched/core
Merge in a recent upstream commit: c2853c8df57f include/linux/math64.h: add div64_ul() because: 72a4cf20cb71 sched: Change cfs_rq load avg to unsigned long relies on it. [ We don't rebase sched/core for this, because the handful of followup commits after the broken commit are not behavioral changes so are unlikely to be needed during bisection. ] Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/usb/phy/Kconfig')
-rw-r--r--drivers/usb/phy/Kconfig14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig
index 7ef3eb8617a..2311b1e4e43 100644
--- a/drivers/usb/phy/Kconfig
+++ b/drivers/usb/phy/Kconfig
@@ -4,11 +4,17 @@
menuconfig USB_PHY
bool "USB Physical Layer drivers"
help
- USB controllers (those which are host, device or DRD) need a
- device to handle the physical layer signalling, commonly called
- a PHY.
+ Most USB controllers have the physical layer signalling part
+ (commonly called a PHY) built in. However, dual-role devices
+ (a.k.a. USB on-the-go) which support being USB master or slave
+ with the same connector often use an external PHY.
- The following drivers add support for such PHY devices.
+ The drivers in this submenu add support for such PHY devices.
+ They are not needed for standard master-only (or the vast
+ majority of slave-only) USB interfaces.
+
+ If you're not sure if this applies to you, it probably doesn't;
+ say N here.
if USB_PHY